 /*******************************************************************************
  * Copyright (c) 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.tweaklets;

 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.internal.RectangleAnimationFeedbackBase;
 import org.eclipse.ui.internal.tweaklets.Tweaklets.TweakKey;

 /**
  * Animation tweaklet base class. Create (and register) a tweaklet
  * extension derived from this class to provide alternate animation
  * behavior. Currently only affects animations produced by the new
  * min / max behavior.
  *
  * @since 3.3
  *
  */
 public abstract class Animations {
     public static TweakKey KEY = new Tweaklets.TweakKey(Animations.class);

     static {
         Tweaklets.setDefault(Animations.KEY, new LegacyAnimations());
     }

     /** Default c'tor */
     public Animations() {}
     
     /**
      * Create and return the animation feedback you want to use.
      *
      * @param shell The shell that the animation will be in
      * @return The feedback renderer to use.
      */
     public abstract RectangleAnimationFeedbackBase createFeedback(Shell shell);
 }

